/Engine/Source/Runtime/MovieScene/Public/Compilation/IMovieSceneTemplateGenerator.h
Add a new track that is to be owned by this template
void AddOwnedTrack ( [FMovieSceneEvaluationTrack](API\Runtime\MovieScene\Evaluation\FMovieSceneEvaluationTrack) && InTrackTemplate, const [UMovieSceneTrack](API\Runtime\MovieScene\UMovieSceneTrack) & SourceTrack )